3788189 has 4 divisors (see below), whose sum is σ = 3840156. Its totient is φ = 3736224.

The previous prime is 3788159. The next prime is 3788209. The reversal of 3788189 is 9818873.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1092025 + 2696164 = 1045^2 + 1642^2 .

It is a cyclic number.

It is not a de Polignac number, because 3788189 - 2⁸ = 3787933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3788159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25874 + ... + 26019.

It is an arithmetic number, because the mean of its divisors is an integer number (960039).

Almost surely, 2^3788189 is an apocalyptic number.

It is an amenable number.

3788189 is a deficient number, since it is larger than the sum of its proper divisors (51967).

3788189 is an equidigital number, since it uses as much as digits as its factorization.

3788189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51966.

The product of its digits is 96768, while the sum is 44.

The square root of 3788189 is about 1946.3270537091. The cubic root of 3788189 is about 155.8872322222.

The spelling of 3788189 in words is "three million, seven hundred eighty-eight thousand, one hundred eighty-nine".